EASY
10th Kerala Board
IMPORTANT
Earn 100

See the chemical equation given for the reaction of burning of carbon in oxygen to form carbon dioxide.
How many oxygen atoms combine with one carbon atom?

Important Questions on Gas Laws and Mole Concept
MEDIUM
10th Kerala Board
IMPORTANT
See the chemical equation given for the reaction of burning carbon in oxygen to form carbon dioxide.
How many oxygen atoms combine with carbon atoms?

EASY
10th Kerala Board
IMPORTANT

MEDIUM
10th Kerala Board
IMPORTANT

MEDIUM
10th Kerala Board
IMPORTANT
What will be the mass of these atoms?

MEDIUM
10th Kerala Board
IMPORTANT

HARD
10th Kerala Board
IMPORTANT
How many GAMs is present the of nitrogen? Calculate the number of atoms present in the sample? (Atomic mass of )

MEDIUM
10th Kerala Board
IMPORTANT

MEDIUM
10th Kerala Board
IMPORTANT
Complete the table given below by finding out the chemical formula and molecular mass.
(Atomic mass : )
Element /Compound | Chemical formula | Molecular mass |
Hydrogen | ||
Oxygen | _____ | |
Nitrogen | _____ | |
Water | ||
Ammonia | _____ |
